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변형식 임종국
Vol. 34, No. 6, pp. 88-95,
Dec. 2019
10.14346/JKOSOS.2019.34.6.88
변형식 임종국
Vol. 34, No. 6, pp. 88-95,
Dec. 2019
10.14346/JKOSOS.2019.34.6.88
곽상록
Vol. 32, No. 5, pp. 122-128,
Oct. 2017
곽상록
Vol. 32, No. 5, pp. 122-128,
Oct. 2017